664673062 has 16 divisors (see below), whose sum is σ = 1010069280. Its totient is φ = 328007232.

The previous prime is 664673041. The next prime is 664673071. The reversal of 664673062 is 260376466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51538 + ... + 63130.

It is an arithmetic number, because the mean of its divisors is an integer number (63129330).

Almost surely, 2^664673062 is an apocalyptic number.

664673062 is a deficient number, since it is larger than the sum of its proper divisors (345396218).

664673062 is a wasteful number, since it uses less digits than its factorization.

664673062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 664673062 is about 25781.2540812118. The cubic root of 664673062 is about 872.7088082432.

The spelling of 664673062 in words is "six hundred sixty-four million, six hundred seventy-three thousand, sixty-two".